Bring a large pot of salted water to a boil and cook the pasta according to package instructions. Rinse with some cold water, drain, and set aside.
In a large bowl, combine the dressing with the cooked pasta, basil pesto, halved cherry tomatoes, capers, and parsley leaves. Toss well until combined, and season with some more salt and pepper.
Serve the pasta salad in a bowl and crumble the feta cheese on top. Garnish with additional parsley leaves and serve!